Project Overview

An underground mine upgraded its main ventilation system with SUNSIN’s Medium Voltage VFD solution to optimize airflow control and reduce energy consumption.

Customer Challenges

• Main fans operated at fixed speed with high energy consumption
• Ventilation demand changed according to mining conditions
• Frequent operation adjustments were required for safe production

SUNSIN Solution

Sunsin provided a Medium Voltage Variable Frequency Drive System for main fan speed control, enabling:

• Adjustable fan speed according to ventilation demand
• High-efficiency motor operation
• Smooth startup and reduced mechanical stress
• Reliable operation in harsh underground environments

Project Results

✓ Significant energy savings through variable speed control
✓ Improved ventilation efficiency
✓ Reduced equipment wear and maintenance costs
✓ Enhanced underground operation safety

Application

Underground mine ventilation system • Main fan drive • Mine auxiliary equipment